Number Info
| ID | 998 |
| Size | 1 digits / 3 bits |
| Value | 4 |
| Progress | 100.00% |
| Completed | yes |
| Small factors | 22 |
| Large cofactor | none |
Factorization
Format: number = small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
4 = 22
Categories
- Lucas Sequence (index 3)
- Base 3 Repunits (index 2)
- n!! + 1 (index 3)
- n!!! + 1 (index 3)
- n!!!! - 1 (index 5)
- n!!!! + 1 (index 3)
- n!!!!! - 1 (index 5)
- n!!!!! + 1 (index 3)